1、一般现在时讲解与练习 一般现在时表示经常或习惯性的动作或一般性事实。通常与副词 every day(每天) ,always(总是),usually(通常),often(经常)sometimes(有时),等时间状语连用。1.表示事物或人物的特征、状态。如:The sky is blue.天空是蓝色的。 2.表示经常性或习惯性的动作。如:I get up at six every day.我每天六点起床。 3.表示客观现实。如:The earth goes around the sun.地球绕着太阳转。4.表示平日的喜好。I like bananas. We dont like vegetable
2、s.构成:1. be 动词:主语+be(am,is,are)+其它。如: I am a boy.我是一个男孩。 2.行为动词:主语+行为动词(+其它)。如: We study English.我们学习英语。 当主语为第三人称单数(he, she,it)时,要在动词后加“-s“或“-es“或变“y”为“ies”如:Mary likes Chinese.玛丽喜欢汉语。Miss Gu teaches us English. 顾老师教我们英语。 She studies Chinese every day.她每天学习语文。否定句、一般疑问句、特殊疑问句: 1. be 动词的变化。 否定句:主语+ be
3、+ not +其它。 如:He is not a worker.他不是工人。 一般疑问句:Be +主语+其它。 如:-Are you a student? -Yes. I am. / No, Im not. 特殊疑问句:疑问词+一般疑问句。如:Where is my bike? 2.行为动词的变化。 否定句:主语+ dont( doesnt ) +动词原形(+其它)。如:I dont like bread. 当主语为第三人称单数时,要用 doesnt 构成否定句。如: He doesnt often play. 一般疑问句:Do( Does ) +主语+动词原形+其它。如:- Do you o
4、ften play football? - Yes, I do. / No, I dont. 当主语为第三人称单数时,要用 does 构成一般疑问句。如: -Does she go to work by bike? - Yes, she does. / No, she doesnt.特殊疑问句:疑问词+一般疑问句。如:How does your father go to work? 一般现在时的动词形式 一般现在时主要由动词原形表示,但第三人称单数后的动词词尾有所变化。第三人称单数动词词尾的变化有几种形式: 一般情况 加-s reads, says, takes以 ch, sh, s, x,
5、或 o 结尾的加-es teaches, washes, goes, misses, mixes 以辅音字母加 y 结尾的词 变 y 为 i 再加-es studies, cries, carries 在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式。一、人称代词 he, she, it 是第三人称单数。如: He likes watching TV. 他喜欢看电视。 She has lunch at twelve. 她十二点吃午餐。 二、单个人名、地名或称呼作主语;是第三人称单数。如: Han Mei likes salsd . 韩梅喜欢萨拉。 Beijing is in
6、 China. 北京在中国。 Uncle Wang often plays volleyball. 王叔叔经常打排球。 三、单数可数名词或“this / that / the+单数可数名词“作主语时,是第三人称单数。如: This book is yours. 这本书是你的。 That car is red. The cat is Lucys. 这只猫是露茜的。 四、不定代词 someone, somebody, nobody, everything, something 等及指示代词 this, that 作主语时,是第三人称单数。Everyone is here. 大家到齐了。 There
7、 is a watch on the table. 桌上有块手表。 This is a pen. 这是一支钢笔。That is an eraser.五、不可数名词作主语时为第三人称单数。如: The milk(牛奶) is in the glass. 牛奶在玻璃杯里。 The bread is very small. 那面包很小。 六、当数字或字母作主语时,看作第三人称单数。如: “6“ is a lucky number. “6“是个吉利数字。 “I“ is a letter. “I“是个字母。 巩固练习题: 一、按照要求改写句子 1This is my pencil ? (变一般疑问句)
8、your pencil ? 2. These red socks are Kates . (变一般疑问句) socks Kates ? 3. Mary does not have any books . (变肯定句) Mary books . 4. She likes the black bag very much . (变为否定句) 5. I like apples. (用 she 改写句子) 6. Its an English dictionary . (对画线部分提问). 7. He has hamburger and apples for dinner . (变一般疑问句)二、用 Be
9、 动词填空。 1. you Li Fen ? No, not . 2. Mr. green very busy? Yes , he . 3.This book very interesting . 4. What class you in ? 5. You and I good friends . 6. The basketball club fun . 三用所给动词的适当形式填空。 1. Lin Tao (like) his ruler . 2. Lets (have) ice cream . 3. Lets (play) tennis ! 4. He (like) English. 5.
10、Nice (meet) you ! 6. I (need) some fruits.一般现在时用法专练:一、 写出下列动词的第三人称单数形式。 have like drink _ go _ stay _ make _look _have_ come_ watch_ plant_ fly _ do_ study_ _ teach_二、用括号内动词的适当形式填空。1. He often _(have) dinner at home.2. Daniel and Tommy _(be) in Class One.3. We _ _(not watch) TV on Monday.4. Nick _ _
11、(not go) to the zoo on Sunday.5. _ they _(like) pears?6. _ your parents _(have) eggs every day?7. There _(be) some water in the bottle.18. Mike _(like) cooking. 9. They _(have) the same hobby.10. Liu Tao _ _(do) not like PE.11. This boy often _(watch) TV in the evening.三、按照要求改写句子1. Daniel watches TV
12、 every evening.(改为否定句)_2. I do my homework every day.(改为一般疑问句,作否定回答)_3. She likes milk.(改为一般疑问句,作肯定回答)_ 4. Amy likes playing computer games.(改为一般疑问句,作否定回答)_5. We go to school every morning.(改为否定句)_ 6. John comes from Canada(加拿大).(对划线部分提问)_7. She is a good student.(改为一般疑问句,作否定回答)_8. Simon and Daniel like play sports .(改为否定句)_五、改错(划出错误的地方,将正确的写在横线上)1. Is your brother speak English? _2. Does he likes going fishing? _3. He likes play games after class. _ _4. Mr. Wu teachs us English. _5. She dont do her homework on Sundays. _